Adjustable column connector apparatus

Apparatus for use in drilling

Coupling for sucker rod assembly

Couplings

Device for fastening a cathode ray tube on a covering frame

Device for mounting and removing a cutter at the end of the cutt

Drill steel

Electronic device with female screw and structure for mounting t

Fastener system for attaching cushions to chairs

High pressure jackscrew connector

Key locking device

Linear latch

Pre-stressed fiber-resin sucker rod and method of making same

Push rod and plate assembly for brake actuators and method...

Reconstitutable control assembly having removable control rods w

Rod construction and method of forming the same

Rod joint

Screw actuator

Shaft coupling for bottom cylinders of drafting units on spinnin

Strengthened graphite-metal threaded connection